Automatic feeder



FIG. 1 is a perspective view of an automatic feeder;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The portions of the article shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for an automatic feeder, as shown and described. 